Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 19.3, Problem 2COMQ
A point mutation could be caused by
a. depurination.
b. deamination.
c. tautomeric shift.
d. any of the above.
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Chapter 19 Solutions
Genetics: Analysis and Principles
Ch. 19.1 - 1. A mutation changes a codon that specifies...Ch. 19.1 - A down promoter mutation causes the promoter of a...Ch. 19.1 - 3. A mutation in one gene that reverses the...Ch. 19.1 - Which of the following is an example of a somatic...Ch. 19.2 - Prob. 1COMQCh. 19.3 - Which of the following is not an example of a...Ch. 19.3 - A point mutation could be caused by a....Ch. 19.3 - One way that TNRE may occur involves the formation...Ch. 19.4 - Nitrous acid replaces amino groups with keto...Ch. 19.4 - Prob. 2COMQ
Ch. 19.4 - Prob. 3COMQCh. 19.5 - The function of photolyase is to repair a....Ch. 19.5 - Which of the following DNA repair systems may...Ch. 19.5 - 3. In nucleotide excision repair in E. coli, the...Ch. 19.5 - Prob. 4COMQCh. 19.5 - An advantage of translesion-replicating...Ch. 19 - Is each of the following mutations a transition,...Ch. 19 - Prob. 2CONQCh. 19 - What does a suppressor mutation suppress? What is...Ch. 19 - Prob. 4CONQCh. 19 - X-rays strike a chromosome in a living cell and...Ch. 19 - Prob. 6CONQCh. 19 - Prob. 7CONQCh. 19 - 8. A point mutation occurs in the middle of the...Ch. 19 - Prob. 9CONQCh. 19 - Prob. 10CONQCh. 19 - 11. Is a random mutation more likely to be...Ch. 19 - 12. Which of the following mutations could be...Ch. 19 - Prob. 13CONQCh. 19 - Discuss the consequences of a germ-line versus a...Ch. 19 - Prob. 15CONQCh. 19 - Explain how a mutagen can interfere with DNA...Ch. 19 - What type of mutation (transition, transversion,...Ch. 19 - Explain what happens to the sequence of DNA during...Ch. 19 - Distinguish between spontaneous and induced...Ch. 19 - Prob. 20CONQCh. 19 - Prob. 21CONQCh. 19 - Prob. 22CONQCh. 19 - Trinucleotide repeat expansions (TNREs) are...Ch. 19 - 24. With regard to TNRE, what is meant by the term...Ch. 19 - 25. What is the difference between the mutation...Ch. 19 - Achondroplasia is a rare form of dwarfism. It is...Ch. 19 - Prob. 27CONQCh. 19 - In the treatment of cancer, the basis for many...Ch. 19 - Prob. 29CONQCh. 19 - 30. Which of the following examples is likely to...Ch. 19 - Prob. 31CONQCh. 19 - Prob. 32CONQCh. 19 - Prob. 33CONQCh. 19 - With regard to the repair of double-strand breaks,...Ch. 19 - Prob. 35CONQCh. 19 - Prob. 36CONQCh. 19 - 37. Three common ways to repair changes in DNA...Ch. 19 - Prob. 38CONQCh. 19 - Prob. 39CONQCh. 19 - Explain how the technique of replica plating...Ch. 19 - 2. Outline how you would use the technique of...Ch. 19 - 3. From an experimental point of view, is it...Ch. 19 - Prob. 4EQCh. 19 - Prob. 5EQCh. 19 - 6. Richard Boyce and Paul Howard-Flanders...Ch. 19 - In E. coli, a variety of mutator strains have been...Ch. 19 - 2. Discuss the times in a person’s life when it is...Ch. 19 - A large amount of research is aimed at studying...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is true about the enzyme telomerase? A. It is found only in adult cells. B. It is responsible for telomere shortening. C. It can re-establish telomere length. D. It may speed up the aging process. E. It is expressed at low levels in cancer cells.arrow_forward18) MUTATIONS: A. Explain the difference between a point mutation and a frameshift mutation. B. Explain how the mutation (both a point mutation and frameshift mutation) might impact the production of proteins. C. Name one type of chromosome mutation and explain what it is.arrow_forwardWhich ONE of the following genetic patterns defines a patient with acute myeloid leukaemia with the most favourable prognosis? Select one: A.Deletion of chromosome 5 B.Normal karyotype with FLT3 tyrosine kinase domain mutation C.t(8;21) translocation D.Deletion of chromosome 7arrow_forward
- Which of the following statements is correct? a. If a deletion and a duplication are the same size, the deletionis more likely to be harmful.b. If a deletion and a duplication are the same size, the duplicationis more likely to be harmful.c. If a deletion and a duplication are the same size, the likelihoodof causing harm is about the same.d. A deletion is always harmful, whereas a duplication is always beneficial.arrow_forwardDefine the following terms: a. single nucleotide polymorphism b. nonsense mutation c. indel d. inversion e. translocationarrow_forwardWhich of the following terms refer to the case when a mutation results in a significant decrease or a complete loss of the functional activity of a gene product? a. gain-of-function mutation b. loss-of-function mutationarrow_forward
- Explain the difference between a gain-of-functionmutation and a dominant-negative mutation. Why areboth these types of mutation usually dominant?arrow_forwardPart a) and b) have already resolved and part c and d tobe resolved. a. What is a genetic mutation? How do genetic mutations differ fromsomatic mutations? b. What are mutagens? Using examples, describe how chemical andphysical mutagens cause mutations. c. Briefly describe the significance of transposons in inducing d. Discuss the practical aspects of mutations.arrow_forwardXeroderma pigmentosa (XP): A. is caused by a defect in the mismatch repair system. B. typically results in base substitution mutations. C. can be caused by defects in any of a number of different genes that have to do with DNA repair. D. results when an individual does not spend enough time outside. E. Can be corrected by a direct repair mechanismarrow_forward
- Define the following terms:a. nonreplicative transpositionb. replicative transpositionc. composite transposond. retrotransposone. insertional elementarrow_forwardWhich ONE of the following molecular abnormalities is associated with the POOREST prognosis in acute myleoid leukaemia? A. t(8;21) translocaton (RUNX1_RUNX1fusion) B. DNMT3A mutation C. TP53 deletion D. NPM1 mutation.arrow_forwardBased on the given description, determine which mutation is being referred to A single base substitution such as UCC --> UGC a. silent b. insertion c. deletion d. transversion e. nonsense f. transitionarrow_forward
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